@book{gameDesignWorkshop,
  title = {Game Design Workshop: A Playcentric Approach to Creating Innovative Games},
  author = {Tracy Fullerton},
  year = {2008},
  number = {ISBN: 0240809742},
  publisher = {CRC Press},
  edition = {Second}
}

@book{renderBook,
title = {Real-Time Rendering},
author = "Tomas Akenine-Moller AND Eric Haines AND Naty Hoffman",
year = {2008},
number = {1568814240},
edition = {Third},
publisher = {A K Peters/CRC Press}
}

@book{statisticsBook,
title = {Statistics: An Introduction Using R},
author = "Michael J. Crawley",
year = {2005},
number = {0470022981},
publisher = {Wiley-Blackwell}
}

@book{InteractDesign,
title = {Interaction Design: Beyond Human-Computer Interaction},
author = "Yvonne Rogers AND Helen Sharp AND Jenny Preece",
year = {2011},
number = {0470665769},
edition = {Third},
publisher = {John Wiley and Sons}
}

@online{zeldaWindWaker,
Author = {Canadianonlinegamers.com},
   Lastchecked = {13.12.2013},
   Urldate = {2013-11-7},
   Title = {Zelda: The Wind Waker},
   Url = {http://canadianonlinegamers.com/wp-content/uploads/2013/09/Wind-Waker-HD-pic-1.jpg}
}

@article{impactTutorials,
    author  = "Erik Andersen AND Eleanor O'Rourke AND Yun-En Liu AND Richard Snider AND Jeff Lowdermilk AND David Truong AND Seth Cooper AND Zoran Popovic",
    title   = "The Impact of Tutorials on Games of Varying Complexity",
    year    = "2012",
    journal = "CHI '12 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems",
    pages   = "59--68"
}

@article{learningByDesign,
    author  = "James Paul Gee",
    title   = "Learning by design: Games as learning machines",
    year    = "2004",
    journal = "Interactive Educational Multimedia",
    number  = "8",
    pages   = "15--23"
}

@online{Zelda1,
Author = {ZeldaUniverse.net},
   Lastchecked = {13.12.2013},
   Urldate = {2011-12-10},
   Title = {The Biggest Problem with Skyward Sword},
   Url = {http://www.zeldauniverse.net/forums/gamecube-wii-and-wii-u-zelda/137494-the-biggest-problem-with-skyward-sword.html}
}

@online{Zelda2,
Author = {GameFAQs.com},
   Lastchecked = {13.12.2013},
   Urldate = {2011-1-12},
   Title = {There's still too much hand holding},
   Url = {http://www.gamefaqs.com/boards/960633-/61213217}
}

@online{IGNDemon,
Author = {IGN.com},
   Lastchecked = {18.12.2013},
   Urldate = {2012-1-12},
   Title = {How hard is Demon'ss Souls really?},
   Url = {http://www.ign.com/boards/threads/how-hard-is-demons-souls-really.452476718/}
}

@online{Zelda3,
Author = {Gengame.net},
   Lastchecked = {13.12.2013},
   Urldate = {2013-26-1},
   Title = {Zelda Wii U: Non-Linearity is More Than Just Dungeon Order, Has to be the Heart and Soul of the Game},
   Url = {http://www.gengame.net/2013/01/zelda-wii-u-non-linearity-is-more-than-just-dungeon-order-has-to-be-the-heart-and-soul-of-the-game/}
}

@online{DiegeticGame,
Author = {Devmag.org.za},
   Lastchecked = {13.12.2013},
   Urldate = {2011-2-2},
   Title = {Video game user interface design: Diegesis theory},
   Url = {http://devmag.org.za/2011/02/02/video-game-user-interface-design-diegesis-theory/}
}

@online{DemonsSoulsWiki,
Author = {Demonssouls.wikidot.com},
   Lastchecked = {13.12.2013},
   Urldate = {2013-8-1},
   Title = {Demon's Souls for PlayStation 3 - Demon's Souls English Wiki},
   Url = {http://demonssouls.wikidot.com/}
}

@online{superGuide,
Author = {Mariowiki.com},
   Lastchecked = {13.12.2013},
   Urldate = {2013-11-7},
   Title = {Super Guide},
   Url = {http://www.mariowiki.com/Super_Guide}
}

@online{marioGalaxy,
Author = {Destructoid.com},
   Lastchecked = {13.12.2013},
   Urldate = {2013-11-7},
   Title = {Super Mario Galaxy 2},
   Url = {http://bulk2.destructoid.com/ul/171629-header.jpg}
}

@online{machinarium,
Author = {Photobucket.com},
   Lastchecked = {13.12.2013},
   Urldate = {2013-11-7},
   Title = {Machinarium},
   Url = {http://i957.photobucket.com/albums/ae57/morpheustek/3-ValleyTrench.jpg}
}

@online{bioshock,
Author = {IGN.com},
   Lastchecked = {13.12.2013},
   Urldate = {2013-11-7},
   Title = {BioShock},
   Url = {http://guidesmedia.ign.com/guides/14240341/images/590/bioshock2_b09_256.jpg}
}

@online{levelDesignJamie,
Author = {Jamie Madigan},
   Lastchecked = {13.12.2013},
   Urldate = {2013-27-9},
   Title = {Why Do Color Coded Clues in Level Design Work?},
   Url = {http://www.psychologyofgames.com/2013/09/why-do-color-coded-clues-in-level-design-work/}
}

@article{pedagogic,
    author  = "Elizabeth Bonawitz AND Patrick Shafto AND Hyowon Gweon AND Noah D. Goodman AND Elizabeth Spelke AND Laura Schulz",
    title   = "The Double-edged Sword of Pedagogy: Instruction limits spontaneous exploration and discovery",
    year    = "2011",
    journal = "Cognition",
	volume = "120",
    number  = "3",
    pages   = "322--330"
}

@book{theoryOfFun,
  title = {A Theory of Fun for Game Design},
  author = {Raph Koster},
  year = {2004},
  number = {ISBN: 1932111972},
  publisher = {Paraglyph Press},
  edition = {First}
}

@online{HL2,
Author = {ModDb.com},
   Lastchecked = {13.12.2013},
   Urldate = {2013-11-7},
   Title = {Half-Life 2},
   Url = {http://media.moddb.com/images/mods/1/13/12001/citadel3.jpg}
}

@online{antichamber,
Author = {GiantBomb.com},
   Lastchecked = {13.12.2013},
   Urldate = {2013-11-7},
   Title = {Antichamber},
   Url = {http://static.giantbomb.com/uploads/original/8/88810/2426707-gap.jpg}
}

@online{Magic,
Author = {Wizards.com},
   Lastchecked = {16.12.2013},
   Urldate = {2013-11-7},
   Title = {MagicJudge},
   Url = {http://www.wizards.com/Magic/Magazine/Article.aspx?x=judge/welcome}
}

@unpublished{pvLogic,
author = {Kirsten Krogh Hansen},
title = {Theory of science and methods},
note = {Aalborg University lecture, Problem based learning},
month = {November},
year = {2011}
}

@online{swanPic,
Author = {Metagames.ru},
   Lastchecked = {13.12.2013},
   Urldate = {2013-11-7},
   Title = {The Unfinished Swan},
   Url = {http://www.metagames.ru/screenshots_copy/ps3/T/The_Unfinished_Swan/The_Unfinished_Swan_12.jpg}
}


@online{socialResearch,
Author = {SocialResearchMethods.com},
   Lastchecked = {13.12.2013},
   Urldate = {2013-11-7},
   Title = {Deduction and Induction},
   Url = {http://www.socialresearchmethods.net/kb/dedind.php}
}

@online{marioLevel,
Author = {Anna Anthropy},
   Lastchecked = {13.12.2013},
   Urldate = {2009-7-8},
   Title = {level design lesson: to the right, hold on tight},
   Url = {http://auntiepixelante.com/?p=465}
}

@online{blockLeveldesign,
Author = {Alex Miller},
   Lastchecked = {15.12.2013},
   Urldate = {2013-2-7},
   Title = {Tutorials and 'Handholding' in Games},
   Url = {http://deadgear.blogspot.dk/2013/01/tutorials-and-handholding-in-games.html}
}

@online{braidPic,
Author = {Reviewanygame.com},
   Lastchecked = {15.12.2013},
   Urldate = {2013-2-7},
   Title = {Braid},
   Url = {http://reviewanygame.com/content/images/products/braid-pc-2.jpg}
}


@online{unity,
Author = {Unity3d.com},
   Lastchecked = {15.12.2013},
   Urldate = {2013-2-7},
   Title = {Unity},
   Url = {http://unity3d.com/}
}

@online{unityPhysicsManager,
Author = {Docs.Unity3d.com},
   Lastchecked = {15.12.2013},
   Urldate = {2013-2-7},
   Title = {Unity Physics Manager},
   Url = {http://docs.unity3d.com/Documentation/Components/class-PhysicsManager.html}
}

@online{unityVectorAngle,
Author = {Docs.Unity3d.com},
   Lastchecked = {15.12.2013},
   Urldate = {2013-2-7},
   Title = {Unity Vector3 Angle},
   Url = {http://docs.unity3d.com/Documentation/ScriptReference/Vector3.Angle.html}
}

@online{unityRaycast,
Author = {Docs.Unity3d.com},
   Lastchecked = {15.12.2013},
   Urldate = {2013-2-7},
   Title = {Unity Raycast},
   Url = {http://docs.unity3d.com/Documentation/ScriptReference/Physics.Raycast.html}
}

@book{flow,
  title = {Flow: The Psychology of Optimal Experience},
  author = {Mihaly Csikszentmihalyi},
  year = {2008},
  number = {ISBN: 0061339202},
  publisher = {Harper Perennial Modern Classics}
}

@online{mentalModels,
Author = {Interaction-design.org},
   Lastchecked = {15.12.2013},
   Urldate = {2013-2-7},
   Title = {Mental models},
   Url = {http://www.interaction-design.org/encyclopedia/mental_models_glossary.html}
}

@online{handHoldingNeoGAF,
Author = {NeoGAF.com},
   Lastchecked = {15.12.2013},
   Urldate = {2013-6-5},
   Title = {Has Hand Holding Gone Too Far?},
   Url = {http://www.neogaf.com/forum/showthread.php?t=576865}
}

@online{handHoldCAG,
Author = {ComputerAndVideogames.com},
   Lastchecked = {15.12.2013},
   Urldate = {2011-15-5},
   Title = {Gamers don't want hand holding anymore - give them a challenge},
   Url = {http://www.computerandvideogames.com/301720/features/gamers-dont-want-hand-holding-anymore-give-them-a-challenge/}
}

@online{handHoldCrave,
Author = {CraveOnline.com},
   Lastchecked = {15.12.2013},
   Urldate = {2012-9-11},
   Title = {Excessive Handholding: When Game Tutorials Go Wrong},
   Url = {http://www.craveonline.com/gaming/articles/199595-excessive-handholding-when-game-tutorials-go-wrong}
}

@book{everydayThings,
  title = {The Design of Everyday Things},
  author = {Donald A. Norman},
  year = {2002},
  number = {ISBN: 9780465067107},
  publisher = {Basic Books}
}

@book{artOfGameDesign,
  title = {The Art of Game Design: A book of lenses},
  author = {Jesse Schell},
  year = {2008},
  number = {ISBN: 0123694965},
  publisher = {CRC Press},
  edition = {First},
}